I.S. EN 60068-3-4:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ENVIRONMENTAL TESTING - PART 3-4: SUPPORTING DOCUMENTATION AND GUIDANCE - DAMP HEAT TESTS
Hardcopy , PDF
09-16-2023
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
INTRODUCTION
1 Scope
2 Definitions
3 Procedures for the production and control of
humidity
3.1 General
3.2 Injection of water (spraying)
3.3 Injection of water vapour (steam)
3.4 Saturation type
3.5 Surface evaporation
3.6 Aqueous solutions
3.7 Dehumidification
3.8 Control of humidity
4 Physical appearance of the effects of humidity
4.1 Condensation
4.2 Adsorption
4.3 Absorption
4.4 Diffusion
5 Acceleration
5.1 General
5.2 Acceleration factor
6 Comparison of steady-state and cyclic tests
6.1 Test C: Damp heat, steady-state
6.2 Test Db: Damp heat, cyclic test
6.3 Sequences of tests and composite tests
7 Influence of test environment on specimens
7.1 Change of physical characteristics
7.2 Change of electrical characteristics
7.3 Corrosion
Annex A (informative) Humidity effects diagram
Bibliography
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